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In this paper a scheme for joint source-channel coding based on low-density-parity-check (LDPC) codes is investigated. Two concatenated independent LDPC codes are used in the transmitter: one for source coding and the other for channel coding, with a joint belief propagation decoder. The asymptotic behavior is analyzed using EXtrinsic Information Transfer (EXIT) charts and this approximation is corroborated...
The problem of efficient video transmission over noisy channels involves good compression rates and robustness in presence of channel failures. The proposed framework of joint source-channel (JSC) coding is a balanced multiple description coding (MDC) scheme for scan-based wavelet transform video coding. This MDC scheme includes an efficient bit allocation procedure that dispatches the source video...
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